选择题:Tom ______ to America with his parents. They_____

题目内容:
Tom ______ to America with his parents. They_____ back in two weeks.( ) A A. have gone; will come
B B. has gone; will come
C C. have been; have come
D D. have been; come

参考答案:

以下有关异常处理的描述中,错误的是 ( )

以下有关异常处理的描述中,错误的是 ( )A 使用try块将有可能出现异常的语句包起来B 使用catch语句块捕获并且处理相应的异常C 在try和catch语句

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